This is an alternative to using a serial connection.

这种方法是串行连接的一种替代方法。

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For the serial connection, you need the following components.

对于串行连接，需要以下组件。

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Use a null modem cable to connect the two nodes through their serial ports. Now test the serial connection, as follows.

通过两个节点的串口，使用一根直连线缆将它们连接起来。

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Mission requirements dictate that device must he capable of rapidly downloading 1 Gb of data via a standard USB serial connection in less than five minutes.

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